1. Bransford, J., Brown, A., & Cocking, R. (Eds.). (1999). How people learn: Brain, mind, experience, and school. Washington, DC: National Academy Press.
2. Conference Board of the Mathematical Sciences. (2001). The Mathematical education of teachers. Washington DC: American Mathematical Society and Mathematical Association of America.
3. Darling-Hammond, L., & Sykes, G. (Eds.). (1999). Teaching as the learning profession: Handbook of policy and practice. San Francisco, CA: Jossey-Bass.
4. Fendel, D., & Resek D. (with Alper, L., & Fraser, S.). (1999). Interactive mathematics program year 2 (p. 226). Emeryville, CA: Key Curriculum Press.
5. Kilpatrick, J., Swafford, J., & Findell B. (Eds.). (2001). Adding it up: Helping children learn mathematics. Washington, DC: National Academy Press.